annual rate contract for instrument erection jobs for gtg_2 , at steam generation plant , at rcf thal arc for instrument erection jobs for gtg_2 , at steam generation plant , at rcf thal , for one year , on open tender basis , arc for instrument erection jobs for gtg_2 , at steam generation plant , at rcf thal , for one year , on open tender basis , 2 , 3 , 4 , 7 core cable laying , 12 , 19 , 24 core cable laying , 2 , 3 , 4 , 7 core cable gland fixing , 10 , 12 , 19 , 24 core cable gland fixing , 6mm/1/4 , 8mm , 10mm , ss tube laying , 12mm/1/2ss tube , 12mm/1/2 pipe laying , installation of pg/rtd/t/c/regulator , i/p convertor , remote seal transmitter , transmitter , panel instrument , pressure switch , level switch , solenoid valve , instrument canopy , stand pipe , air header , 1/4 , 1/2 valves , removal of pg/rtd/t/c/regulator , i/p convertor , remote seal transmitter , transmitter , panel instrument , pressure switch , level switch , solenoid valve . , erection & installation of junction box for signal cable 12 in , 1 out with cable glands & metal frame for mounting the jb . , erection of frp canopy for junction boxes , removal of junction box 12 in 1 out with mounting frame , erection of perforated anodized aluminium cable tray as per is 737 size 300mm ( w ) x 3mm thk x 75mm height x 2500mm long with tray coupler plate sets with ss nut , bolts & washers for clamping . , erection of perforated anodized aluminium cable tray as per is 737 size 100mm ( w ) x 2mm thk x 30mm height x 2500mm long with tray coupler plate sets with ss nut , bolts & washers for clamping . , skilled labour for instrument erection , un-skilled labour for instrument erection